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A curtain is hanging at the entrance of a room. A long corridor runs at right angles to the door, that is parallel to the curtain. If a strong wind blows along the corridor, the curtain will (a) get pushed inside the room. (b) get pushed outside the room. (c) get collected towards one end/swirled. (d) remain unaffected.

(b) get pushed outside the room. Explanation At high-speed winds have low pressure due to the scattering of particles it... View Article

Which of the following place is most likely to be affected by a cyclone? (a) Mumbai (b) Puri (c) Goa (d) Porbandar

b) Puri Explanation East coast is more likely to face cyclones with great speed(intensity) and number of cyclones than the... View Article

Following are precautions one must take in case a storm is accompanied by lightning. (i) Do not take shelter under a tree. (ii) Do not take shelter under an umbrella with a metallic end. (iii) Do not take shelter in open garages, storage sheds, etc. (iv) Do not take shelter in a bus in the open. Which one of these is not correct? (a) (i) (b) (ii) (c) (iii) (d) (iv)

(d) (iv) Do not take shelter in a bus in the open Explanation Buses are made up of metals from... View Article

Figure shows a child blowing air with a straw near the opening of another straw which has its other end in a soft drink bottle. It was observed that the level of the soft drink in the straw rises up as soon as air is blown over its open end. Which one of the following best explains the reason for the rise in the level of the drink? (a) The blowing of air decreases pressure over the opening of the straw. (b) The straw of the soft drink bottle collapses when air is blown over its open end. (c) The blowing of air warms up the air inside the straw. (d) The blowing of air increases the pressure on the surface of the soft drink in the bottle.

The answer is (a) Blowing of air decreases pressure over the opening of the straw. Explanation Decreased pressure over the... View Article

A fire alarm usually detects smoke in case of fire. Where should such an alarm be placed in a room? (a) Near the door (b) On the floor (c) On any wall (d) On the ceiling

(d) On the ceiling Explanation In case of fire, the air on top of the fire becomes hotter and rises... View Article

Fill in the blanks in the paragraph given below. The weather of a place is the day-to-day condition of the a) atmosphere with respect to b) Temperature, c)Humidity,d) rainfall, e) wind speed at that place, while climate is the f) average weather pattern has taken over many years.

Weather of a place is the day-to-day condition of the a) atmosphere with respect to b) Temperature, c)Humidity, d) rainfall,... View Article

Differentiate between Maximum and minimum temperatures of the day

Maximum temperature occurs during daytime, afternoon to be precise Minimum temperature occurs early in the morning. Maximum temperature of the... View Article

Differentiate between Climates of the polar region and tropical rain forest

Polar region remains very cold for most part of the year whereas tropical rainforest is hot and humid. Rainforests are... View Article

Differentiate between: Humidity and rainfall

The concentration of water vapour present in the air is known as humidity. The widely employed primary measurements of humidity... View Article

Mention two adaptive features of penguin that help it in swimming

The two adaptive features of penguin that help it in swimming. a) The flipper-like wings and streamed body b) The... View Article

Write two common adaptive features of a polar bear which help in keeping it warm.

The two common adaptive features of a polar bear which help in keeping it warm are: i) It has two... View Article

Name two animals each that live in Polar region and Tropical rain forests.

Polar regions: polar bear/penguin/reindeer/musk oxen/any other. The North and South poles have climates that are polar because of nearby cold... View Article

Why is it difficult to predict the weather of a place while it is easy to predict its climate?

Weather is a complex phenomenon which can vary over a short period of time and thus is difficult to predict.... View Article

Unscramble the following words using the hints given against them. 1) MATLICE (Hint: weather pattern in a region over a period of time) 2) AROPL (Hint: coolest region on earth) 3) TREHMEOMRET (Hint: used to measure temperature) 4) UHIDYTMI (Hint: feature of weather)

(i) Climate A climate is that average weather in an exceeding place over a few years. Whereas the weather would... View Article

State whether the following statement are True or False. Tropical rain forests are cool and humid throughout the year because of heavy rains all the time.

False Explanation Tropical rain forests are hot and humid throughout the year because they are located near the equator. The tropical... View Article

State whether the following statement are True or False. Penguins stick together to fight the cold polar climate.

True Explanation Penguins stick together to get isolated to fight cold polar climate. They have waterproof feathers and a thick... View Article

State whether the following statement are True or False. Since very few preys are available, the polar bear does not need to have a strong sense of smell.

False Explanation Since very few preys are available, polar bear need to have strong sense of smell to get the... View Article

State whether the following statement are True or False. Correct the false statements. It is easy to predict the weather rather than climate.

False Explanation It is easy to predict climate rather than weather. Weather Climate Weather is day-to-day information of the changes... View Article

“A fish dies when taken out of water whereas a wall lizard will die if kept underwater.” Mention the term used to describe such abilities that allow fish and lizard to survive in their respective habitats.

Adaptation Explanation Adaptation is the physical or behavioural characteristic of an organism that helps an organism to survive better in... View Article

Choose the odd one from the following options : (a) A thick layer of fat under the skin (b) White fur (c) Long grasping tail (d) Wide and large feet with sharp claws

c) Long grasping tail Explanation The long grasping tail is the adaptation found in animals of the tropical region whereas... View Article

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